SF 5.5: Prescan -> Scan problem

[Peter Maria]

?nderungen im Prescan-Rahmen werden nicht in gleicher Weise an Photoshop ?bertragen;
betrifft ?nderungen im Histogramm (Kontrolle hellster, dunkelster Bildpunkt); auch
extreme Einstellungen zeigt das Scan-Bild in Photoshop nicht an.
Einstellungen aus dem Filter "Unsch?rfe-Maskierung" werden aber
?bertragen!?
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Software/Hardware

Silverfast Quato 5.5.0 r6.0
Scanner: Quato x.finity pro 42
Windows 98 SE
Photoshop 6.0
using photoshop-plugin; no twain
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problem:
Changes in the prescan frame are not correctly sent to Photoshop 6.0: this concerns changes of the function "histogram".
Otherwise the changes of the function "unsharp-mask" are regulary transported to photoshop.
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Is this a general SF-software-problem or does it depend on my own installation?
Thank you for your answers, pm

[Peter Maria]

I am sorry, I have to complete my Prescan->Scan-problem:
may be it does not occur in colour-mode, but with gray-scans; using 14-8-Bit-Gray-mode and using the same pre-scan-frame a second time with changes, then the histogram-changes will not be transported via photoshop-plugin.
so far my experiences jimi would have said..
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das geschilderte Problem l?sst sich bei 14-8-Bit-Scans wiederholen, scheinbar nicht bei Farb-Scans; der erste Scan ist ok, aber wenn ich den selben Prescan-Rahmen mit Histogramm-?nderungen erneut scannen lasse, werden die ?nderungen nicht ?bertragen.
--------mfG, pm

[Peter Maria]

Silverfast Quato 5.5.10
Scanner: Quato x.finity pro 42
Windows 98 SE
Photoshop 6.0
using photoshop-plugin; no twain

After updating the Software to 5.5.10 (Quato) the scan problem in gray modus is solved! The preselections made in the prescan window will now be transmitted to PhShp.
Uff, cpm